文献类型：期刊文献

英文题名：Highly dispersed MoOx-Ru/C bimetallic catalyst for efficient hydrogenolysis of esters to alkanes

作者：Cao, Xincheng[1,2,3,4] Zhao, Jiaping[1,2,3,4] Long, Feng[1,2,3,4] Liu, Peng[1,2,3,4] Dong, Yuguo[5] Chen, Zupeng[5] Xu, Junming[1,2,3,4] Jiang, Jianchun[1,2,3,4]

第一作者：Cao, Xincheng

通信作者：Xu, JM[1];Jiang, JC[1];Xu, JM[2];Jiang, JC[2];Xu, JM[3];Jiang, JC[3];Xu, JM[4];Jiang, JC[4];Chen, ZP[5]

机构：[1]Chinese Acad Forestry, Inst Chem Ind Forest Prod, Nanjing 210042, Jiangsu, Peoples R China;[2]Key Lab Biomass Energy & Mat, Nanjing 210042, Jiangsu, Peoples R China;[3]Natl Engn Lab Biomass Chem Utilizat, Nanjing 210042, Jiangsu, Peoples R China;[4]SFA, Key & Open Lab Forest Chem Engn, Nanjing 210042, Jiangsu, Peoples R China;[5]Nanjing Forestry Univ, Jiangsu Coinnovat Ctr Efficient Proc & Utilizat Fo, Int Innovat Ctr Forest Chem & Mat, Nanjing 210037, Jiangsu, Peoples R China

年份：2025

卷号：71

起止页码：256-266

外文期刊名：CHINESE JOURNAL OF CATALYSIS

收录：;EI(收录号：20251718279624);Scopus(收录号：2-s2.0-105002916226);WOS:【SCI-EXPANDED(收录号:WOS:001479732500001)】；

基金：This work was supported by the National Key Research and Development Program of China (2019YFB1504005, 2019YFB1504000) , the National Natural Science Foundation of China (32301548) and the Postdoctoral Fellowship Program of CPSF (GZC20230878) .

语种：英文

外文关键词：Bimetallic catalyst; Interface engineering; Hydrodeoxygenation; Fatty esters; Diesel-range alkanes

摘要：The efficient hydrogenolysis of esters to alkanes is the key protocol for producing advanced biofuels from renewable plant oils or fats. Due to the low reactivity of the carbonyl group in esters, a high reaction temperature (>250 degrees C) is the prerequisite to ensure high conversion of esters. Here, we report a highly dispersed MoOx-Ru/C bimetallic catalyst for the efficient hydrogenolysis of esters to alkanes under 150 degrees C. The optimal catalyst exhibits >99% conversion of methyl stearate and 99% selectivity to diesel-range alkanes, reaching a high rate of up to 2.0 mmol g(cat)(-1) h(-1), 5 times higher than that of Ru/C catalyst (MoOx/C is inert). Integrated experimental and theoretical investigations attribute the high performance to the abundant MoOx-Ru interfacial sites on the catalyst surface, which offers high activity for the C-O cleavage of esters. Furthermore, the dispersed MoOx species significantly weaken the hydrocracking activity of the metallic Ru for C-C bonds, thus yielding alkane products without carbon loss. This study provides a facile and novel strategy for the design of high-performance heterogeneous catalysts for the hydrodeoxygenation of biomass-derived esters to alkane products. (c) 2025, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.